VW Seat Skoda 1.2 TDI CFW Diesel Fuel Rail Injection Line 03P089 057130764AB

VW Seat Skoda 1.2 TDI CFW Diesel Fuel Rail is a fuel system component designed for diesel engines, used in VAG group vehicles. The offered fuel rail belongs to the injector nozzles category and is an important component for precise fueling of the 1.2 TDI CFW unit with diesel oil.

Specifications and technical data

• SKU: 03P089
• Mark: Audi
• Condition: Used
• OEM Part Number: 057130764AB
• Substitutable numbers: 03P089, 03P 089, 057130764AB, 057 130 764 AB, 0281006075, 0 281 006 075
• Fuel type: Diesel
• Category: Fuel Injectors

Purpose and Role in the Injection System

The fuel rail in the 1.2 TDI CFW engine is responsible for the stable distribution of fuel to the injectors and maintaining the correct operating parameters of the common rail system. A correctly selected component of this class allows for:

• uniform fueling of all cylinders, which translates to engine running smoothness,
• correct pressure in the injection system, necessary for efficient diesel fuel combustion,
• stable performance of the 1.2 TDI unit across the full load range.

It is a key component for the proper functioning of injectors, especially in modern diesel engines, where tolerances are very narrow and the fuel system requires precisely selected components.

Technical Characteristics and Compatibility

The presented fuel rail is designed for engines powered by Diesel fuel, in accordance with the manufacturer's factory specifications. The design of the rail is adapted to the specifics of the 1.2 TDI CFW unit, which enables:

• maintaining the factory operating characteristics of the injection system,
• proper cooperation with injectors and other fuel line components,
• trouble-free installation in place of the originally used fuel rail.

Thanks to the use of the original OEM part number and interchangeable numbers (visible in the technical specification), the fuel rail can be precisely matched to the specific vehicle configuration, minimizing the risk of incompatibility.

Condition, Origin, and Benefits of Choosing a Used Part

The offered fuel rail is a used part, sourced from dismantling, which allows for economical restoration of the injection system's functionality while maintaining an appropriate level of quality. Choosing such a solution offers:

• lower repair cost compared to a new component,
• maintaining compliance with factory specifications due to the use of original design,
• reduced risk of fitting problems, typical for aftermarket parts of uncertain origin.

Before installation, a standard check of the fuel system and computer diagnostics are recommended to confirm the correct cooperation of the fuel rail with other system components.

Diagnostics and Prevention for Diesel Injection Systems

A malfunctioning fuel rail or injectors can cause symptoms such as loss of power, uneven idling, or increased fuel consumption. It is worth familiarizing yourself with practical tips on recognizing problems with the injection system – they are discussed in detail in the article Diesel Injector Faults – How to Recognize Them and What Their Neglect Threatens, which describes typical symptoms, possible consequences of neglect, and basic diagnostic methods.

If you have doubts about how to correctly select a fuel rail by OEM number or interchangeable numbers, the guide How to Choose the Right Car Part by VIN and OEM Number may be helpful, containing a practical procedure and a list of questions for the seller.

Other Audi Injector Nozzles

If you are looking for other Audi injector nozzles suitable for different models and engine versions, check out our dedicated category Audi Injector Nozzles, where you will find a wide selection of injection system components for vehicles of this brand.